An open API service indexing awesome lists of open source software.

Cryptography

Cryptography, or cryptology is the practice and study of techniques for secure communication in the presence of adversarial behavior. More generally, cryptography is about constructing and analyzing protocols that prevent third parties or the public from reading private messages.

https://github.com/umuttopalak/pass-cli

A secure command-line password manager with AES-256 encryption and sudo authentication

aes-256 cli command-line-tool cryptography keyring password-generator password-manager password-security python security

Last synced: 28 Jul 2025

https://github.com/aarant/nescient

Store, encrypt and decrypt files to and from encrypted, authenticated containers.

cryptography encryption-tool python python3

Last synced: 12 May 2025

https://github.com/anishlearnstocode/intro-to-applied-cryptography

Solutions to Introduction to Applied Cryptography 🔐 specialization on Coursera by University 🎓 of Colorado.

coursera cryptography solutions

Last synced: 03 Jan 2026

https://github.com/mjorgegulab/nestjs-cryptography

Secure NestJS cryptography module 🔐

cryptography javascript nest nestjs node security typescript

Last synced: 27 Jul 2025

https://github.com/noloader/power8-crypto

The unoffical guide to POWER8 in-core crypto

aes-power8 book c cplusplus cryptography docbook powerpc sha-power8

Last synced: 27 Jul 2025

https://github.com/renaud1239/kreyvium

Reference code of the KREYVIUM algorithm, a FHE-friendly 128-bit key stream cipher.

cryptography stream-cipher

Last synced: 12 Sep 2025

https://github.com/elliotwutingfeng/aegis-backup-decryptor

CLI tool to decrypt backup files exported from the Aegis Authenticator app. This application is neither affiliated with Beem Development nor Aegis Authenticator.

2fa aes aes-gcm android backup cryptography cybersecurity decryption encrypt encrypted encryption linux macos openssl otp privacy scrypt security totp windows

Last synced: 29 Apr 2025

https://github.com/abhijayrajvansh/solana-wallet-generator

💳 generate solana wallet key-pairs & secret phrase, based on bip32, bip39 and bip44 standards using cli.

base58 bip32 cryptography private-public-keypairs secret-phrase solana-wallet

Last synced: 26 Jul 2025

https://github.com/lewoudar/certipie

A helper to generate certificate signing request and self-signed certificates

certificate cryptography csr fastapi

Last synced: 19 Jan 2026

https://github.com/n1ghtf1re/simple-ciphers

The library contains three simple ciphers: rail-fence, rotating square and wizner cipher

chiper cryptography cryptography-algorithms rail-fence vigener vigener-cipher vigenere-cipher

Last synced: 18 Mar 2025

https://github.com/geniuszly/genbrutehash

It is a very fast (100 times faster) and simple tool for sorting passwords by their hashes. It supports several hashing algorithms such as MD5, SHA1, SHA256, SHA512. The program can work with both individual hashes and files containing multiple hashes.

authme authme-sha256 brute brute-force brute-hash cryptography cybersecurity ethical-hacking genbrutehash hash-algorithms hash-cracking md5 password-cracking penetration-testing python security-tools sha1 sha256 sha512

Last synced: 13 Apr 2025

https://github.com/drdijkstra/whiteboxcryptography

WhiteboxCryptographySDK

aes crypto cryptography

Last synced: 21 Oct 2025

https://github.com/terl/lazysodium-examples

Examples, samples and extra documentation on how to use Lazysodium.

cryptography docs samples

Last synced: 30 Apr 2025

https://github.com/cipher-fox/nestjs-cryptography

Secure NestJS cryptography module 🔐

cryptography javascript nest nestjs node security typescript

Last synced: 25 Apr 2026

https://github.com/avahowell/rust-shamir

secret sharing in rust

cryptography mathematics secret-sharing

Last synced: 13 Apr 2025

https://github.com/cyphrme/cozejs

Coze Javascript - cryptographic JSON messaging specification

auth authentication coze cryptography cyphrme json jwt login

Last synced: 02 Feb 2026

https://github.com/synonymdev/sodium-react-native

React native wrapper for libsodium crypto library

cryptography libsodium react-native sodium

Last synced: 04 Mar 2026

https://github.com/achronyme/achronyme

A programming language for zero-knowledge circuits with dual execution: full VM + optimized circuit compilation.

compiler cryptography dsl rust zero-knowledge zk

Last synced: 01 Apr 2026

https://github.com/gpestana/htokens-rs

Suite of verifiable anonymous credentials that can be used by applications and systems to enhance/provide privacy to users without impacting practicality.

anonymous-credentials cryptography privacy verifiable-credentials zero-knowledge

Last synced: 23 Apr 2025

https://github.com/ysbaddaden/siphash.cr

SipHash family of pseudo random functions implemented in Crystal

cryptography crystal siphash

Last synced: 10 Sep 2025

https://github.com/lamden/speedy-zero-knowledge

Prove someone has a piece of data with certainty using a fast challenge-response algorithm that does not disclose any piece of said data.

cryptocurrency cryptography knowledge proof zero zero-knowledge

Last synced: 10 Apr 2025

https://github.com/jsign/vkt-proof-bench

Benchmarks for Verkle Trees proofs (Multiproofs & Inner Product Arguments)

cryptography ethereum inner-product-argument ipa multiproof verkle verkle-trie

Last synced: 15 Oct 2025

https://github.com/marcominerva/dataprotectionsample

This example shows how to use the DataProtection APIs with ASP.NET Core

aspnetcore cryptography csharp data-protection dotnet minimal-api security

Last synced: 09 Apr 2025

https://github.com/armortal/webcrypto-go

An implementation of the W3C Web Cryptography API specification for Go.

crypto cryptography go golang webcrypto webcrypto-api webcryptography-api

Last synced: 23 Jun 2025

https://github.com/demining/lattice-attack-249bits

LATTICE ATTACK 249bits we solve the problem of hidden numbers using 79 signatures ECDSA

attack attacker bitcoin cryptocurrency cryptography ecdsa ecdsa-cryptography ecdsa-signature hack hacking lattice lattice-attack

Last synced: 10 Sep 2025

https://github.com/demining/milk-sad-vulnerability-in-the-libbitcoin-explorer-3.x

Milk Sad vulnerability in the Libbitcoin Explorer 3.x library, how the theft of $900,000 from Bitcoin Wallet (BTC) users was carried out

bitcoin bitcoin-wallet blockchain-explorer cryptocurrency cryptography hacker hacking libbitcoin mersenne-twister prng vulnerability

Last synced: 11 Jul 2025

https://github.com/enusbaum/vigeneresolver

A Vigenere Cipher Solver written in C#

cryptography csharp vigenere-cipher

Last synced: 15 Apr 2025

https://github.com/rikulo/xml-crypto

Xml digital signature library for Dart

cryptography dart xml xml-digital-signature xmldsig

Last synced: 10 Apr 2025

https://github.com/hn275/file-encryptor

a small cli tool for file encryption, written in Rust.

aes-encryption commandline cryptography gcm key-derivation-function scrypt security

Last synced: 14 Oct 2025

https://github.com/risstudio-tm/ris-libraries

Libraries designed for various types of tasks that include many modules: Localization (Xaml/Json with dynamic update and full WPF support, etc.), Collections, Unions, Configuration, Settings, Logging, Cryptography, Text, Generation, Versioning, Randomizing, Synchronization, Reflection, Mathematics, Tasks, Graphics, Extensions, Environment, Events.

collections configuration cryptography csharp-library extensions generator ini json localization localized-strings netcore netframework randomizing risstudio semver2 settings synchronization union wpf xaml

Last synced: 11 Jul 2025

https://github.com/cbrnrd/krypton

🔒 A CLI tool for easy cryptography

cli command-line-tool cryptography encryption ruby security

Last synced: 22 Apr 2025

https://github.com/web-of-trust/php-privacy

PHP Privacy - The OpenPGP library in PHP language

cryptography encryption openpgp privacy-guard rfc4880 rfc6637 rfc9580 signing

Last synced: 05 Mar 2026

https://github.com/coyim/constbn

Constant time BigNum operations to make it possible for OTR3 to have constant time ModExp

bearssl bignums cryptography

Last synced: 11 Jul 2025

https://github.com/fxfactorial/accumulator

RSA accumulator in go lang

accumulator crypto cryptography rsa

Last synced: 10 Apr 2025

https://github.com/fcasal/cryptoutils.jl

Cryptography and number-theory primitives in Julia

continued-fractions cryptography julia number-theory prime-numbers

Last synced: 11 Mar 2026

https://github.com/catmade/thresholdscheme

密码学门限方案实现。Shamir(k, n)门限方案、基于中国剩余定理的(k, n)门限方案。

crypto cryptography threshold-cryptography

Last synced: 15 Apr 2025

https://github.com/djasnowski/blockchain.js

Native blockchain implementation in JavaScript.

blockchain blockchain-demos blockchain-technology cryptocurrency cryptography

Last synced: 14 Oct 2025

https://github.com/analogfeelings/blitzhash

SHA hashing library for Blitz3D, using Crypto++ as a backend.

blitz blitz3d blitzbasic cpp cryptography cryptopp visual-studio vs2022

Last synced: 18 Aug 2025

https://github.com/haikelfazzani/otp

🔐 Zero dependencies Deno/Bun/Node/Browser module for TOTP and HOTP generator based on RFC 6238 and RFC 4226 🗝️

2fa browser bun cryptography deno hotp nodejs one-time-password otp rfc-6238 rfc4226 security totp web-crypto web-cryptography-api

Last synced: 13 May 2025

https://github.com/salrashid123/tink_samples

Simple Examples of using Tink Encryption library in Golang

aes cryptography encryption golang hmac tink-crypto

Last synced: 12 Jul 2025

https://github.com/sakryukov/storage-free-pass

Storage-Free Pass is a generator of highly secure passwords based on cryptographic hash and master password, which should be memorized; no password storage is involved

authentication criptographic-hash cryptography css html javascript security

Last synced: 07 May 2025

https://github.com/jiegec/crypto

Implementations of several cryptographic algorithms.

crypto cryptography

Last synced: 21 Apr 2025

https://github.com/checksumdev/uniqueid

Generates a unique hash/identifier for a system given a set of parameters.

authentication crypto cryptography data-structures generator hardware hwid library os rust rust-crate rust-lang rust-library utility

Last synced: 12 Apr 2025

https://github.com/keygen-sh/example-cryptographic-verification

An example implementation of cryptographically verifying license key authenticity using ECC and RSA cryptography, for use in offline licensing models.

cryptography ecc-cryptography ed25519 license-keys licensing offline-licensing rsa-cryptography software-licensing

Last synced: 05 Jul 2025

https://gitlab.com/coroner/cryptoparser

Cryptographic protocol and security-related protocol piece parser.

DNSSEC HASSH JA3 RDP cotp cryptography cryptolyzer dmarc gost http-sts ldap mta-sts pentest postgresql python spf ssh ssl tls tpkt

Last synced: 08 May 2025

https://github.com/anishvedant/end-to-end-encryption

End-to-End Encryption with Python Socket Communication This Python project demonstrates end-to-end encryption (E2EE) using the x25519 key exchange protocol and AES encryption for secure communication between a client (Alice) and a server (Bob) over a socket connection.

advance-encryption-standard aes-encryption aes256-cbc alice bob cbc-mode client-server communication cryptography end-to-end-encryption hmac-authentication hmac-sha256 key key-generation pyhton3 server socketserver symmetric-key-cryptography

Last synced: 13 Apr 2025

https://github.com/globaleaks/globaleaks-eph-fs

An ephemeral ChaCha20-encrypted filesystem implementation using fusepy and cryptography suitable for privacy-sensitive applications, such as whistleblowing platforms.

chacha20 cryptography fuse-filesystem privacy security whistleblowing-software

Last synced: 14 Dec 2025

https://github.com/ooesili/shamir

A command line tool for using Shamir's Secret Sharing algorithm.

command-line cryptography shamir-secret-sharing

Last synced: 05 Jul 2025

https://github.com/haneenmahd/hashable

A Client-Side Gateway for users to interact play and test with cryptography 🤩

api-gateway client-side-cryptography cryptography gateway hashing hashing-in-js server

Last synced: 03 Jul 2025

https://github.com/tang-edge/tang-edge

Serverless Tang server for disk encryption key recovery — deploy to Cloudflare, AWS, GCP, Azure, Deno, Vercel, Netlify, Supabase

clevis cloudflare-workers cryptography disk-encryption edge-computing hono key-management luks nbde serverless split-trust tang typescript

Last synced: 04 Mar 2026

https://github.com/cosmian/mpc_millionaires

CipherCompute: A more elaborated version of Yao's millionaire problem. Secret compute of KPIs

confidential-computing cryptography distributed-computing multiparty-computation

Last synced: 19 May 2026

https://github.com/rofl0r/kripto

Simple and flexible "object-oriented" cryptographic library written in ISO C99.

c99 cryptography public-domain

Last synced: 10 Apr 2025

https://github.com/transcend-io/terraform-aws-sombra

Launch Sombra gateways on AWS using Terraform.

cryptography privacy terraform-module

Last synced: 08 Feb 2026

https://github.com/pbad-pades/signdart

Pure Dart library for elliptic curve research and practical application. EdDSA, Ed448, Ed521.

cryptography dart ed448 ed521 eddsa signatures

Last synced: 22 Feb 2026

https://github.com/kassane/wolfssl

WolfSSL library - Using Zig Build

c-library cryptography fips ssl tls wolfssl wolfssl-library zig zig-package

Last synced: 06 May 2025

https://github.com/heartsucker/iron-csrf

CSRF protection for the Rust web framework Iron

cryptography csrf csrf-protection http iron rust

Last synced: 13 May 2025

https://github.com/fcasal/CryptoUtils.jl

Cryptography and number-theory primitives in Julia

continued-fractions cryptography julia number-theory prime-numbers

Last synced: 06 Apr 2026

https://github.com/bitwise-01/crypto

A wrapper for pycryptodome

cryptography

Last synced: 09 Apr 2025

https://github.com/abdelrahmanbayoumi/rsa-algorithm

Implementation of RSA Algorithm (Encryption - Decryption)

cryptography public-key-encryption python rsa-algorithm rsa-cryptography

Last synced: 04 Apr 2025

https://github.com/philipglazman/bitcoinnotes

My notes on bitcoin in org-mode. Converted to html at bitcoinbook.dev

bitcoin blockchain cryptocurrency cryptography lightning lightning-network wallet

Last synced: 19 Apr 2025

https://github.com/president-xd/cryptix

The Cryptix a powerful python library which provides decryption functions for various ciphers. Below are examples demonstrating how to use the decryption functions for different ciphers included in the package.

cryptography cryptography-algorithms cryptography-library cryptography-project cryptography-tools decoder decoders decryptor decryptor-hash library

Last synced: 07 Mar 2026

https://github.com/defeo/postscryptum

SageMath notebooks for Isogeny Graphs in Cryptography

cryptography elliptic-curves isogenies post-quantum post-quantum-cryptography sagemath sidh

Last synced: 13 Mar 2026

https://github.com/cristinemirror/zyra-crypto-wallet-mnemonic-seed-phrase-balance-checker

This repository features Zyra, a crypto wallet tool that includes functionality for checking balances using mnemonic seed phrases. It allows you to securely manage and verify cryptocurrency balances associated with various wallets.

balance balance-checker bip39 bitecoin blockchain cold-wallet crypto crypto-wallet cryptography ethereum hardware-wallet keypair mnemonic mnemonic-phrase seed seed-phrase wallet wallet-checker

Last synced: 24 Oct 2025

https://github.com/arctictechnology/libsecp256k1-0

Compiled libsecp256k1 for using ECDSA signatures and secret/public key cryptography in your python projects.

bitcoin bitcoin-core bitcoin-wallet crypto cryptography ecdsa ecdsa-cryptography libsecp256k1 python secp256k1

Last synced: 28 Oct 2025

https://github.com/ahpaleus/crypto

Cryptography related write-ups, exploits & exercises.

cryptography cryptopals cryptopals-crypto-challenges python writeups

Last synced: 05 Sep 2025

https://github.com/patrickfav/bkdf

BCrypt based key derivation function to improve BCrypt as a cryptographic primitive for password hashing and key derivation

bcrypt cryptography hkdf java kdf password security

Last synced: 09 Apr 2025

https://github.com/komodoooo/senkrypt

Senkrypt is a new encryption system made by me and takaso

cryptography cryptography-algorithms decoding decryption encoding encryption

Last synced: 24 Apr 2025

https://github.com/phantom0004/krypt0s-ransomware_poc

KRYPTOS is a sophisticated Python-based ransomware proof of concept (POC) designed for educational purposes. It encrypts files on Windows machines, focusing on persistence and stealth. Additionally, it includes a fake ransomware screen resembling WannaCry, with all information being fictional.

aes cryptography educational encyrption learning malware poc prevention proof-of-concept python ransomware ransomware-builder simulation stealth teaching testing virtual windows windows-10 windows-11

Last synced: 27 Oct 2025

https://github.com/aaron-akhtar/jbot-archived

Java Botnet - Unfinished - Probably Discontinued

botnet cryptography java java-botnet jbot malware

Last synced: 24 Oct 2025

https://github.com/kkazuo/openid-key

Get OpenID keys from issuer.

common-lisp cryptography jwt lisp openid openidc

Last synced: 09 Mar 2026

https://github.com/libitx/univrse

Universal schema for data serialisation, signing and encryption.

bitcoin bsv cbor cryptography encryption signatures

Last synced: 29 Aug 2025

https://github.com/eneko/axx

Encrypt / decrypt files from the command line

cli command-line-tool cryptography encryption swift swiftpm

Last synced: 15 Jun 2025

https://github.com/zabojeb/phpgp

phPGP - tool to store your PGP keys on the physical storage (USB, flash drive etc.)

cryptography cybersecurity encoding gnupg gpg pgp pypi python security usb

Last synced: 29 Jan 2026